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Finding the Fourth Proportional to 363,169.48, 500,969.08 and 217,938.08

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Solution

The fourth proportional to 363,169.48, 500,969.08 and 217,938.08 is: 300,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,169.48 : 500,969.08 = 217,938.08 : x
  2. Step 2: Convert to fraction form
    363,169.48/500,969.08 = 217,938.08/x
  3. Step 3: Cross multiply
    363,169.48x = 500,969.08 × 217,938.08
  4. Step 4: Simplify right side
    363,169.48x = 109,180,239,434.57
  5. Step 5: Solve for x
    x = 109,180,239,434.57/363,169.48
  6. Step 6: Final answer
    x = 300,631.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.